<!DOCTYPE html>
<html lang="en" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        {{hello}}
    </div>
    <script src="../node_modules/vue/dist/vue.js"></script>
    <script type="text/javascript">
        var vm = new Vue({
                el:"#app",
                data:{
                   hello:"hello"
                },
            created(){
                this.hello = "hello, world！ 我出生了！";
            }
            })
    </script>
</body>
</html>